Permalink
Cannot retrieve contributors at this time
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
48 lines (41 sloc)
1.26 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
const puppeteer = require('puppeteer'); | |
/** | |
* To have Puppeteer fetch a Firefox binary for you, first run: | |
* | |
* PUPPETEER_PRODUCT=firefox npm install | |
* | |
* To get additional logging about which browser binary is executed, | |
* run this example as: | |
* | |
* DEBUG=puppeteer:launcher NODE_PATH=../ node examples/cross-browser.js | |
* | |
* You can set a custom binary with the `executablePath` launcher option. | |
* | |
* | |
*/ | |
const firefoxOptions = { | |
product: 'firefox', | |
extraPrefsFirefox: { | |
// Enable additional Firefox logging from its protocol implementation | |
// 'remote.log.level': 'Trace', | |
}, | |
// Make browser logs visible | |
dumpio: true, | |
}; | |
(async () => { | |
const browser = await puppeteer.launch(firefoxOptions); | |
const page = await browser.newPage(); | |
console.log(await browser.version()); | |
await page.goto('https://news.ycombinator.com/'); | |
// Extract articles from the page. | |
const resultsSelector = '.titlelink'; | |
const links = await page.evaluate(resultsSelector => { | |
const anchors = Array.from(document.querySelectorAll(resultsSelector)); | |
return anchors.map(anchor => { | |
const title = anchor.textContent.trim(); | |
return `${title} - ${anchor.href}`; | |
}); | |
}, resultsSelector); | |
console.log(links.join('\n')); | |
await browser.close(); | |
})(); |